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{
"schema_version": "1.7.0",
"id": "USN-6499-2",
"summary": "gnutls28 vulnerability",
"details": "USN-6499-1 fixed vulnerabilities in GnuTLS. This update provides the\ncorresponding update for Ubuntu 18.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that GnuTLS had a timing side-channel when handling\n certain RSA-PSK key exchanges. A remote attacker could possibly use this\n issue to recover sensitive information.\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2023-5981"
],
"related": [],
"published": "2024-01-08T11:39:13Z",
"modified": "2026-04-22T07:37:06Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "gnutls28",
"purl": "pkg:deb/ubuntu/gnutls28@3.5.18-1ubuntu1.6+esm1?arch=source&distro=esm-infra/bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.18-1ubuntu1.6+esm1"
}
]
}
],
"versions": [
"3.5.8-6ubuntu3",
"3.5.17-1ubuntu1",
"3.5.17-1ubuntu3",
"3.5.18-1ubuntu1",
"3.5.18-1ubuntu1.1",
"3.5.18-1ubuntu1.2",
"3.5.18-1ubuntu1.3",
"3.5.18-1ubuntu1.4",
"3.5.18-1ubuntu1.5",
"3.5.18-1ubuntu1.6"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "gnutls-bin",
"binary_version": "3.5.18-1ubuntu1.6+esm1"
},
{
"binary_name": "libgnutls-dane0",
"binary_version": "3.5.18-1ubuntu1.6+esm1"
},
{
"binary_name": "libgnutls-openssl27",
"binary_version": "3.5.18-1ubuntu1.6+esm1"
},
{
"binary_name": "libgnutls30",
"binary_version": "3.5.18-1ubuntu1.6+esm1"
},
{
"binary_name": "libgnutlsxx28",
"binary_version": "3.5.18-1ubuntu1.6+esm1"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"cves": [
{
"id": "CVE-2023-5981",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6499-2"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-5981"
}
]
}